I-Seedtech-Battery Operated Christmas Lights Starry Fairy String Lights Waterproof LED lights for Party and Festivals Decoration(Warm White, 19.7FT-60LED With Timer) ADORABLE DECORATION:The light Strings is the excellent decoration for Party,Festival Gift.These light creates a fairy, magical and twinkling lighting experience that is ideal for holiday makeup, home decoration and business promotion. EASY TO SHAPE:Can easily build any shapes you like,and easy to store. ECO-FRIENDLY,POWER SAVING AND AUTOMATICALLY:Safe, power-saving and eco-friendly LED string light.With timer,it will Glow for 6 Hours Then Turn Off Automatically For 18 Hours. It Will Turn On and Turn Off at The Exactly Same Time You Set It For 6 Hours On and 18 Hours Off Again Every Day. BATTERY OPERATED:With Battery,it can be easily used in anywhere you want and create romantic and harmony atmosphere. WATERPROOF AND TIPS:The lights string is rain-proof but the controller is non-waterproof,pls be careful whem use them well when use them outside.